diff --git a/packages/shared/src/validators/instance.test.ts b/packages/shared/src/validators/instance.test.ts
index 735bf026a91..e2a518e99f9 100644
--- a/packages/shared/src/validators/instance.test.ts
+++ b/packages/shared/src/validators/instance.test.ts
@@ -85,12 +85,6 @@ describe("instance experimental settings validators", () => {
     expect(settings.enableApps).toBe(false);
   });
 
-  it("defaults built-in agents off", () => {
-    const settings = instanceExperimentalSettingsSchema.parse({});
-
-    expect(settings.enableBuiltInAgents).toBe(false);
-  });
-
   it("accepts worktree run execution patches", () => {
     expect(
       patchInstanceExperimentalSettingsSchema.parse({
diff --git a/server/src/__tests__/low-trust-red-team-routes.test.ts b/server/src/__tests__/low-trust-red-team-routes.test.ts
index 0e9244f227d..8288f557448 100644
--- a/server/src/__tests__/low-trust-red-team-routes.test.ts
+++ b/server/src/__tests__/low-trust-red-team-routes.test.ts
@@ -111,6 +111,7 @@ async function deleteCompanySkillsAfterLateHeartbeatWritesDrain(db: Db) {
       await new Promise((resolve) => setTimeout(resolve, 25));
     }
   }
+  throw lastError;
 }
 
 function expectNoCanary(value: unknown, ...markers: string[]) {
diff --git a/server/src/__tests__/openapi-routes.test.ts b/server/src/__tests__/openapi-routes.test.ts
index 3d8c85a5f0b..38168e4f044 100644
--- a/server/src/__tests__/openapi-routes.test.ts
+++ b/server/src/__tests__/openapi-routes.test.ts
@@ -21,6 +21,7 @@ const apiPrefixes: Record<string, string> = {
   "assets.ts": "/api",
   "auth.ts": "/api/auth",
   "board-chat.ts": "/api",
+  "briefs.ts": "/api",
   "built-in-agents.ts": "/api",
   "cloud.ts": "/api/cloud",
   "companies.ts": "/api/companies",
diff --git a/server/src/app.ts b/server/src/app.ts
index fcecb322e17..226b462ec14 100644
--- a/server/src/app.ts
+++ b/server/src/app.ts
@@ -25,6 +25,7 @@ import { companySkillRoutes } from "./routes/company-skills.js";
 import { companySkillPolicyRoutes } from "./routes/company-skill-policy.js";
 import { inboxAgentPolicyRoutes } from "./routes/inbox-agent-policy.js";
 import { builtInAgentRoutes } from "./routes/built-in-agents.js";
+import { briefsRoutes } from "./routes/briefs.js";
 import { folderRoutes } from "./routes/folders.js";
 import { summarySlotRoutes } from "./routes/summary-slots.js";
 import { statusCardRoutes } from "./routes/status-cards.js";
@@ -419,6 +420,7 @@ export async function createApp(
   api.use(companySkillPolicyRoutes(db));
   api.use(inboxAgentPolicyRoutes(db));
   api.use(builtInAgentRoutes(db));
+  api.use(briefsRoutes(db));
   api.use(summarySlotRoutes(db));
   api.use(statusCardRoutes(db));
   api.use(teamsCatalogRoutes(db));
diff --git a/server/src/routes/index.ts b/server/src/routes/index.ts
index 835c54bb769..6261998803c 100644
--- a/server/src/routes/index.ts
+++ b/server/src/routes/index.ts
@@ -4,6 +4,7 @@ export { companySkillRoutes } from "./company-skills.js";
 export { companySkillPolicyRoutes } from "./company-skill-policy.js";
 export { inboxAgentPolicyRoutes } from "./inbox-agent-policy.js";
 export { builtInAgentRoutes } from "./built-in-agents.js";
+export { briefsRoutes } from "./briefs.js";
 export { folderRoutes } from "./folders.js";
 export { summarySlotRoutes } from "./summary-slots.js";
 export { statusCardRoutes } from "./status-cards.js";
diff --git a/server/src/routes/openapi.ts b/server/src/routes/openapi.ts
index 690c4883e33..c6c1a63f3b6 100644
--- a/server/src/routes/openapi.ts
+++ b/server/src/routes/openapi.ts
@@ -571,6 +571,10 @@ const responses = {
     description: "Conflict",
     content: { "application/json": { schema: ErrorSchema } },
   },
+  preconditionFailed: {
+    description: "Precondition failed",
+    content: { "application/json": { schema: ErrorSchema } },
+  },
   payloadTooLarge: {
     description: "Payload too large",
     content: { "application/json": { schema: ErrorSchema } },
@@ -3564,6 +3568,20 @@ registry.registerPath({
   responses: { 200: r.ok(), 401: r.unauthorized },
 });
 
+registry.registerPath({
+  method: "get",
+  path: "/api/companies/{companyId}/briefs/overview",
+  tags: ["briefs"],
+  summary: "Get Briefs overview",
+  request: { params: z.object({ companyId: z.string() }) },
+  responses: {
+    200: r.ok(),
+    401: r.unauthorized,
+    403: r.forbidden,
+    412: r.preconditionFailed,
+  },
+});
+
 registry.registerPath({
   method: "get",
   path: "/api/companies/{companyId}/recovery-observability",
diff --git a/server/src/services/agents.ts b/server/src/services/agents.ts
index 745cca607a3..d4f6a129637 100644
--- a/server/src/services/agents.ts
+++ b/server/src/services/agents.ts
@@ -615,21 +615,6 @@ export function agentService(db: Db) {
     });
   }
 
-  function assertBuiltInAgentMetadataMutationAllowed(
-    beforeMetadata: unknown,
-    afterMetadata: unknown,
-    options?: { allowBuiltInAgentMetadata?: boolean },
-  ) {
-    if (options?.allowBuiltInAgentMetadata) return;
-    const beforeMarker = readBuiltInAgentMarker(beforeMetadata);
-    const afterMarker = readBuiltInAgentMarker(afterMetadata);
-    if (builtInAgentMarkersEqual(beforeMarker, afterMarker)) return;
-    throw conflict("Built-in agent marker is managed by Paperclip and cannot be edited directly", {
-      code: "built_in_agent_marker_readonly",
-      key: beforeMarker?.key ?? afterMarker?.key ?? null,
-    });
-  }
-
   async function updateAgent(
     id: string,
     data: Partial<typeof agents.$inferInsert>,
diff --git a/server/src/services/authorization.ts b/server/src/services/authorization.ts
index f2016cebc0e..063de1e2710 100644
--- a/server/src/services/authorization.ts
+++ b/server/src/services/authorization.ts
@@ -1804,21 +1804,6 @@ export function authorizationService(db: Db) {
         if (policyEffect.kind === "restricted") return denyRestrictedAssignmentPolicy(policyEffect);
         return grantDecision;
       }
-      if (input.action === "agent_config:read") {
-        return decideWithAgentConfigReadGrant("user", input.actor.userId);
-      }
-      if (input.action === "agent_config:update") {
-        return decideWithProtectedChangeGrants("user", input.actor.userId, {
-          direct: "agents:configure",
-          suggest: "agents:suggest-changes",
-        });
-      }
-      if (input.action === "skill_config:update") {
-        return decideWithProtectedChangeGrants("user", input.actor.userId, {
-          direct: "skills:create",
-          suggest: "skills:suggest-changes",
-        });
-      }
       return decidePrincipalGrant({
         companyId,
         principalType: "user",
diff --git a/server/src/services/index.ts b/server/src/services/index.ts
index 54e56fc936a..0c0e851de1d 100644
--- a/server/src/services/index.ts
+++ b/server/src/services/index.ts
@@ -6,6 +6,7 @@ export { feedbackService } from "./feedback.js";
 export { companySkillService } from "./company-skills.js";
 export { companySkillPolicyService, normalizeSkillPolicySourceType } from "./company-skill-policy.js";
 export { folderService } from "./folders.js";
+export { briefsService } from "./briefs.js";
 export { agentService, deduplicateAgentName } from "./agents.js";
 export {
   builtInAgentService,
diff --git a/ui/src/components/AgentActionButtons.tsx b/ui/src/components/AgentActionButtons.tsx
index d2b9ce56131..a062a71af21 100644
--- a/ui/src/components/AgentActionButtons.tsx
+++ b/ui/src/components/AgentActionButtons.tsx
@@ -195,13 +195,6 @@ export function AgentActionButtons({
   pauseConfirm?: { title: string; description: ReactNode };
   /** Hide the Terminate action (e.g. built-in agents are undeletable). */
   hideTerminate?: boolean;
-  /**
-   * When set, pausing prompts a confirmation dialog first (e.g. for built-in
-   * agents that power a feature). Omit for the immediate-pause default.
-   */
-  pauseConfirm?: { title: string; description: ReactNode };
-  /** Hide the Terminate action (e.g. built-in agents are undeletable). */
-  hideTerminate?: boolean;
   /**
    * Optional inline error reporter. When provided it is used instead of a toast
    * for action failures (preserves the detail page's inline error banner). When
diff --git a/ui/src/lib/queryKeys.ts b/ui/src/lib/queryKeys.ts
index b4680ed1899..747de204ffe 100644
--- a/ui/src/lib/queryKeys.ts
+++ b/ui/src/lib/queryKeys.ts
@@ -157,6 +157,9 @@ export const queryKeys = {
   builtInAgents: {
     list: (companyId: string) => ["built-in-agents", companyId] as const,
   },
+  briefs: {
+    overview: (companyId: string) => ["briefs", companyId, "overview"] as const,
+  },
   summarySlots: {
     detail: (companyId: string, scopeKind: string, slotKey: string, scopeId?: string | null) =>
       ["summary-slots", companyId, scopeKind, slotKey, scopeId ?? null] as const,
diff --git a/ui/src/pages/Briefs.test.tsx b/ui/src/pages/Briefs.test.tsx
index fd3b63354f2..459231c1497 100644
--- a/ui/src/pages/Briefs.test.tsx
+++ b/ui/src/pages/Briefs.test.tsx
@@ -34,6 +34,10 @@ const builtInAgentsApiMock = vi.hoisted(() => ({
 
 const resumeMock = vi.hoisted(() => vi.fn());
 
+const instanceSettingsApiMock = vi.hoisted(() => ({
+  getExperimental: vi.fn(),
+}));
+
 vi.mock("@/context/CompanyContext", () => ({
   useCompany: () => companyState,
 }));
@@ -58,6 +62,10 @@ vi.mock("@/api/agents", () => ({
   agentsApi: { resume: resumeMock },
 }));
 
+vi.mock("@/api/instanceSettings", () => ({
+  instanceSettingsApi: instanceSettingsApiMock,
+}));
+
 vi.mock("@/components/ConfigureBuiltInAgentModal", () => ({
   ConfigureBuiltInAgentModal: ({ open }: { open: boolean }) =>
     open ? <div data-testid="configure-modal" /> : null,
@@ -161,7 +169,9 @@ describe("Briefs page", () => {
     briefsApiMock.overview.mockReset();
     builtInAgentsApiMock.list.mockReset();
     resumeMock.mockReset();
+    instanceSettingsApiMock.getExperimental.mockReset();
     breadcrumbState.setBreadcrumbs.mockReset();
+    instanceSettingsApiMock.getExperimental.mockResolvedValue({ enableBuiltInAgents: true });
     builtInAgentsApiMock.list.mockResolvedValue([makeBuiltInState("ready")]);
     briefsApiMock.overview.mockResolvedValue(makeOverview());
   });